Califonia gnatcatcher 01
State-listed Threatened coastal California gnatcatcher (Polioptila californica californica) male in alternate (breeding) plumage, Los Angeles County, CA
California gnatcatcher 02
State-listed Threatened coastal California gnatcatcher (Polioptila californica californica) male in alternate (breeding) plumage, Montebello, CA
California gnatcatcher 03
California gnatcatcher 04
State-listed Threatened coastal California gnatcatcher (Polioptila californica californica) male in basic (non-breeding) plumage
California gnatcatcher 05
State-listed Threatened coastal California gnatcatcher (Polioptila californica californica) male in basic (non-breeding) plumage.
California gnatcatcher and brown-headed cowbird 07
State-listed Threatened coastal California gnatcatcher (Polioptila californica californica) female, with a parasitized nest, feeding a Behr's metalmark to a brown-headed cowbird nestling.
California Gnatcatcher 08
State-listed Threatened coastal California gnatcatcher (Polioptila californica californica) male in alternate (breeding) plumage, Dana Point, CA
California Gnatcatcher 09
California Gnatcatcher 10
California Gnatchatcher 11
California Gnatcather 12
California Gnatcatcher 13
California Gnatcatcher 14
California Gnatcatcher 15
California Gnatcatcher 16
least Bells vireo 01
Federally- and California-listed Endangered adult male least Bell's vireo (Vireo bellii pusillus) singing in a blue elderberry tree (Sambucus nigra ssp. caerulea), Whittier Narrows, Whittier, CA
Least Bell's Vireo 02
Federally- and California-listed Endangered adult male least Bell's vireo (Vireo bellii pusillus) in the Bosque del Rio Hondo, Rosmead, CA
least Bell's vireos 03
Federally- and California-listed Endangered adult least Bell's vireo (Vireo bellii pusillus) feeding a stink bug to a recent fledgling, Whittier Narrows, Whittier, CA
Least Bell's Vireo 05
Federally- and California-listed Endangered adult male least Bell's vireo (Vireo bellii pusillus) disturbing the peace, Whittier Narrows, Whittier, CA
blue-gray gnatcatcher
blue-gray gnatcatcher (Polioptila caerulea) in walnut woodland near Brea, CA
bushtit 01
bushtit (Psaltriparus minimus) on lemonade berry, Mission Viejo, CA
bushtit 02
bushtit on arroyo willow, Rowland Heights, CA
coastal cactus wrens 01
coastal cactus wrens (Campylorhynchus brunneicapillus) on coast prickly pear in Mission Viejo, CA
coastal cactus wren 02
coastal cactus wren (Campylorhynchus brunneicapillus) on coast prickly pear in Mission Viejo, CA
California thrasher 01
California thrasher (Toxostoma redivivum) in Mission Viejo, CA
California thrasher 02
California thrasher (Toxostoma redivivum) in greeting the day from the top of a lemonade berry shrub in Mission Viejo, CA
black phoebe
black phoebe (Sayonis nigricans) on the shore at Dana Point, CA
gray flycatcher
gray flycatcher (Empidonax wrightii) passing through the Victorville, CA area on north-bound migration
Pacific-slope flycatcher
Pacific-slope flycatcher (Empidonax difficilis) in Dana Point, CA
yellow-breasted chat 01
Yellow-breasted chat (Icteria virens) feeding on blue passionflower fruit (Passiflora caerulea) in the Whittier Narrows, Whittier, CAulea)
yellow-breasted chat 02
yellow-breasted chat (Icteria virens) staking a claim in Torrey Pines, CA
hermit warbler
Hermit warbler (Setophaga occidentalis) in the Bosque del Rio Hondo, Rosmead, CA
yellow-rumped warbler
unusual leucistic yellow-rumped warbler (Setophaga coronata) in Rowland Heights, CA
Townsend's Warbler 01
Townsend's Warbler (Setophaga townsendi) in Chino Hills, CA
Lesser goldfinch 01
Adult male lesser goldfinch (Spinus psaltria) in tocalote (Centaurea melitensis), El Monte, CA
orange bishop
Adult male orange bishop (Euplectes franciscanus), a sub-Saharan species that has naturalized in the Whittier Narrows, Whittier, CA
Southern California rufous crowned sparrow 01
Southern California rufous-crowned sparrow (Aimophila ruficeps canescens) north side of the San Gabriel Mountains in post-burn chaparral habitat
song sparrow
Song sparrow (Melospiza melodia) singing from a black mustard plant (Brassica nigra)
western scrub-jay
Western scrub-jay (Aphelocoma californica) with a peanut in Duarte, CA
California Towhee 01
California Towhee (Melozone crissalis) with some discarded fishing line to incorporate into a nest, El Monte, CA
Tricolored Blackbird 01
Recently emergency State-listed Threatened Tricolored Blackbird (Agelaius tricolor) male , Neenach, CA
Spotted Towhee 01
Spotted Towhee (Pipilo maculatus) singing it's weird song in Chino Hills, CA
American Goldfinch
American Goldfinch (Carduelis tristis) male in Chino Hills, CA
Least Bell's Vireo 06
Federally- and California-listed Endangered adult male least Bell's vireo (Vireo bellii pusillus) in Chino Hills, CA
Verdin
Verdin (Auriparus flaviceps) checking a mesquite tree for invertebrates in Tucson, AZ
